20176859115

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{4211}}^1$

素因数の和:4330

約数の個数: 144

約数和(自身を含む): 42471819936

約数和(自身を除く): 22294960821

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 53, 63, 105, 123, 147, 159, 205, 245, 265, 287, 315, 369, 371, 441, 477, 615, 735, 795, 861, 1113, 1435, 1845, 1855, 2009, 2173, 2205, 2385, 2583, 2597, 3339, 4211, 4305, 5565, 6027, 6519, 7791, 10045, 10865, 12633, 12915, 12985, 15211, 16695, 18081, 19557, 21055, 23373, 29477, 30135, 32595, 37899, 38955, 45633, 63165, 76055, 88431, 90405, 97785, 106477, 116865, 136899, 147385, 172651, 189495, 206339, 223183, 228165, 265293, 319431, 442155, 517953, 532385, 619017, 669549, 684495, 863255, 958293, 1031695, 1115915, 1208557, 1326465, 1553859, 1562281, 1597155, 1857051, 2008647, 2589765, 3095085, 3347745, 3625671, 4686843, 4791465, 6042785, 7769295, 7811405, 8459899, 9150503, 9285255, 10043235, 10877013, 10935967, 14060529, 18128355, 23434215, 25379697, 27451509, 32807901, 42299495, 45752515, 54385065, 54679835, 64053521, 70302645, 76139091, 82354527, 98423703, 126898485, 137257545, 164039505, 192160563, 320267605, 380695455, 411772635, 448374647, 492118515, 576481689, 960802815, 1345123941, 2241873235, 2882408445, 4035371823, 6725619705, 20176859115]

約数ペア:

[(1, 20176859115), (3, 6725619705), (5, 4035371823), (7, 2882408445), (9, 2241873235), (15, 1345123941), (21, 960802815), (35, 576481689), (41, 492118515), (45, 448374647), (49, 411772635), (53, 380695455), (63, 320267605), (105, 192160563), (123, 164039505), (147, 137257545), (159, 126898485), (205, 98423703), (245, 82354527), (265, 76139091), (287, 70302645), (315, 64053521), (369, 54679835), (371, 54385065), (441, 45752515), (477, 42299495), (615, 32807901), (735, 27451509), (795, 25379697), (861, 23434215), (1113, 18128355), (1435, 14060529), (1845, 10935967), (1855, 10877013), (2009, 10043235), (2173, 9285255), (2205, 9150503), (2385, 8459899), (2583, 7811405), (2597, 7769295), (3339, 6042785), (4211, 4791465), (4305, 4686843), (5565, 3625671), (6027, 3347745), (6519, 3095085), (7791, 2589765), (10045, 2008647), (10865, 1857051), (12633, 1597155), (12915, 1562281), (12985, 1553859), (15211, 1326465), (16695, 1208557), (18081, 1115915), (19557, 1031695), (21055, 958293), (23373, 863255), (29477, 684495), (30135, 669549), (32595, 619017), (37899, 532385), (38955, 517953), (45633, 442155), (63165, 319431), (76055, 265293), (88431, 228165), (90405, 223183), (97785, 206339), (106477, 189495), (116865, 172651), (136899, 147385)]